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Head and neck radiology > Scalp And Calvarial Vault > Flashcards

Scalp And Calvarial Vault Flashcards

1
Q

Anterior fontanelle

A

Bregma (beginning)

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2
Q

Posterior fontanelle

A

Lambda (likod)

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3
Q

Pterion is junction of what bones

A

Frontal
Parietal
Squamous temporal
Greater sphenoid wing

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4
Q

Fiver layers of scalp

A 
Skin
Subcutaneous tissue 
Epicranial tissue
Subaponeurotic tissue
Pericranium
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5
Q

Most vascular scalp layer

A

Subcutaneous

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6
Q

Skull is composed of how many bones

A

28

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7
Q

Three major serrated fibrous joints /sutures that connect bones of vault

A

Coronal
Sagittal
Lambdoid

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8
Q

Internal occipital protuberance marks sinus confluence

A

Torcular herophili

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9
Q

Pachymeninges

A

Dura

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10
Q

Leptomeninges

A

Arachnoid

Pia

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11
Q

Potential space between dura

A

Epidural space

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12
Q

Potential space between inner dura and arachnoid

A

Subdural space

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13
Q

Normal CSF-filled space between arachnoid, pial-covered brain

A

Subarachnoid space

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14
Q

Potential space between pia, glia limitans of cortex

A

Subpial space

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15
Q

Pial-lined, interstitial fluid filled invagination along penetrating arteries

A

Perivascular space

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16
Q

Two layers of dura

A

Outer/periosteal

Inner/meningeal

17
Q

Arachnoid villi/granulations are lined by

A

Endothelial extensions of arachnoid

18
Q

Follows penetrating cortical arteries into brain that forms prevascular spaces/ Virchow-Robin-Spaces

A

Pia

19
Q

Dura is most prominent where and thinnest where

A

Most prominent in the vertex, least prominent in under temporal bones

20
Q

Arachnoid granulations are most prominent in

A

Transverse/sigmoid sinuses

21
Q

Size of normal variant giant arachnoid granulation

A

Up to 1-2 cm

22
Q

Meninge that does not invaginate sulci

A

Arachnoid

23
Q

Layer of meninges that has regulatory interface between SAS, brain (exhibit pinocytosis, enzymatic activity)

A

Pia

24
Q

Perivascular spaces are filled with

A

Interstitial fluid

Head and neck radiology (15 decks)

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